diff --git a/hawkbit-sdk/pom.xml b/hawkbit-sdk/pom.xml
index 1018c02cf..45b88bca6 100644
--- a/hawkbit-sdk/pom.xml
+++ b/hawkbit-sdk/pom.xml
@@ -26,7 +26,7 @@
     <properties>
         <spring-cloud-starter-openfeign.version>4.3.0</spring-cloud-starter-openfeign.version>
         <openfeign-hc5.version>13.6</openfeign-hc5.version>
-        <bouncycastle.version>1.80</bouncycastle.version>
+        <bouncycastle.version>1.81</bouncycastle.version>
         <java.version>${java.client.version}</java.version>
     </properties>